1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.wiki.engines.jspwiki;
24  
25  import com.ecyrd.jspwiki.QueryItem;
26  import com.ecyrd.jspwiki.WikiEngine;
27  import com.ecyrd.jspwiki.WikiPage;
28  import com.ecyrd.jspwiki.attachment.Attachment;
29  import com.ecyrd.jspwiki.providers.ProviderException;
30  import com.ecyrd.jspwiki.providers.WikiAttachmentProvider;
31  
32  import com.liferay.portal.kernel.util.FileUtil;
33  import com.liferay.portal.kernel.util.GetterUtil;
34  import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
35  
36  import java.io.ByteArrayInputStream;
37  import java.io.InputStream;
38  
39  import java.util.ArrayList;
40  import java.util.Collection;
41  import java.util.Collections;
42  import java.util.Date;
43  import java.util.List;
44  import java.util.Properties;
45  
46  /**
47   * <a href="LiferayAttachmentProvider.java.html"><b><i>View Source</i></b></a>
48   *
49   * @author Jorge Ferrer
50   */
51  public class LiferayAttachmentProvider implements WikiAttachmentProvider {
52  
53      public void deleteAttachment(Attachment attachment) {
54      }
55  
56      public void deleteVersion(Attachment attachment) {
57      }
58  
59      public Collection<Attachment> findAttachments(QueryItem[] query) {
60          return Collections.emptyList();
61      }
62  
63      public InputStream getAttachmentData(Attachment attachment) {
64          return _EMPTY_STREAM;
65      }
66  
67      public Attachment getAttachmentInfo(WikiPage page, String name, int version)
68          throws ProviderException {
69  
70          com.liferay.portlet.wiki.model.WikiPage wikiPage = null;
71  
72          try {
73              wikiPage = WikiPageLocalServiceUtil.getPage(
74                  _nodeId, page.getName());
75  
76              String[] attachments = wikiPage.getAttachmentsFiles();
77  
78              for (int i = 0; i < attachments.length; i++) {
79                  String fileName = FileUtil.getShortFileName(attachments[i]);
80  
81                  if (fileName.equals(name)) {
82                      return new Attachment(_engine, page.getName(), name);
83                  }
84              }
85  
86              return null;
87          }
88          catch (Exception e) {
89              throw new ProviderException(e.toString());
90          }
91      }
92  
93      public String getProviderInfo() {
94          return LiferayAttachmentProvider.class.getName();
95      }
96  
97      public List<Attachment> getVersionHistory(Attachment attachment) {
98          List<Attachment> history = new ArrayList<Attachment>();
99  
100         history.add(attachment);
101 
102         return history;
103     }
104 
105     public void initialize(WikiEngine engine, Properties props) {
106         _engine = engine;
107         _nodeId = GetterUtil.getLong(props.getProperty("nodeId"));
108     }
109 
110     public List<Attachment> listAllChanged(Date timestamp) {
111         return Collections.emptyList();
112     }
113 
114     public Collection<Attachment> listAttachments(WikiPage page) {
115         return Collections.emptyList();
116     }
117 
118     public void moveAttachmentsForPage(String oldParent, String newParent) {
119     }
120 
121     public void putAttachmentData(Attachment attachment, InputStream data) {
122     }
123 
124     private static final InputStream _EMPTY_STREAM =
125         new ByteArrayInputStream(new byte[0]);
126 
127     private WikiEngine _engine;
128     private long _nodeId;
129 
130 }